Preheat Oven to 350
Combine apple and sugar in a bowl and let sit for 10 min
Combine Flour and next 4 ingredients in a bowl
Combine apples, oil, vanilla, and egg
Add the two mixes together. Will resemble a streusel topping
Press batter into 8 in square pan.
Bake 30 min or until toothpick comes out clean